New page: Similar to a pyroclastic flow but of much lower density (higher gas to rock ratio). (Gardner, et.al., 1995) Turbulent, low-density cloud of hot rock debris and gases that moves over the g...
Similar to a pyroclastic flow but of much lower density (higher gas to rock ratio). (Gardner, et.al., 1995)
Turbulent, low-density cloud of hot rock debris and gases that moves over the ground surface at high speed. <ref>[http://vulcan.wr.usgs.gov/Glossary/volcano_terminology.html Glossary of Volcano and Related Terminology]</ref>